Finding the Third Proportional to 121,674 and 262,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   121,674 : 262,069.50 = 262,069.50 : x
2. Step 2: Convert to fraction form
   121,674/262,069.50 = 262,069.50/x
3. Step 3: Cross multiply
   121,674x = 262,069.50 × 262,069.50
4. Step 4: Simplify right side
   121,674x = 68,680,422,830.25
5. Step 5: Solve for x
   x = 68,680,422,830.25/121,674
6. Step 6: Final answer
   x = 564,462.60